/* 公共样式开始 */
*{
    margin: 0; 
    padding: 0;
    box-sizing: border-box;
}

body{
    font-size: 16px;
    font-family: '微软雅黑';
    color: #333;
    background:#f4f4f4;
    overflow-x: hidden;
}

b{font-weight: normal;}
i{font-weight: normal;}
a, a:hover, a:active{
    text-decoration: none;
    color: #333;
}

input, textarea, select{
    outline: none;
}

li{
    list-style-type: none;
}

img{
    border: none;
    vertical-align: top;
}

.fl{
    float: left;
}
.fr{
    float: right;
}
.cl{
    clear: both;
}

.clearfix::after{
    content:"";
    display: table;
    clear: both;
}
/* 公共样式结束 */